Tim Tevebaugh was driving home from work in southern Idaho a few weeks ago when he came across an incredible sight -- a field full of "snow rollers."
According to NOAA, they form with light but sticky snow and strong winds to push and roll them along, but not strong enough to tear them apart. It's as If they're getting the first leg on building a snowman.
Here are some other photos from Tim:
And here is another zoomed in photo of a snow roller, courtesy of Jason Hummel's alpinestateofmind.com.